Home / 790,849.36-1,186,449-435,680.56

Finding the Fourth Proportional to 790,849.36, 1,186,449 and 435,680.56

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Solution

The fourth proportional to 790,849.36, 1,186,449 and 435,680.56 is: 653,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,849.36 : 1,186,449 = 435,680.56 : x
  2. Step 2: Convert to fraction form
    790,849.36/1,186,449 = 435,680.56/x
  3. Step 3: Cross multiply
    790,849.36x = 1,186,449 × 435,680.56
  4. Step 4: Simplify right side
    790,849.36x = 516,912,764,731.44
  5. Step 5: Solve for x
    x = 516,912,764,731.44/790,849.36
  6. Step 6: Final answer
    x = 653,617.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.